from PyQt4.QtSql import *

table master:
   id    __sch_<name>   Payment  Desc     Level          Quantity1   Quantity2
   ----------------------------------------------------------------------------
   row1  True           8        Section  0|section      12.45        34.5
   row2  True           8.1      Sub      1|subsection    5.66         5.8
   row3  False          8.1.1a   Item     2|item          0.34       100.56

table __enum_levels:
   id    name
   0     section
   1     subsection
   2     item
   
table __sch_<name>:
   id    column
   0     Payment
   1     Desc
   2     Quantity1

table column_propdefs:
   id    name  type  doc   default  const
   
